Home / 115,333.18-159,225.18-75,026.77

Finding the Fourth Proportional to 115,333.18, 159,225.18 and 75,026.77

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Solution

The fourth proportional to 115,333.18, 159,225.18 and 75,026.77 is: 103,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,333.18 : 159,225.18 = 75,026.77 : x
  2. Step 2: Convert to fraction form
    115,333.18/159,225.18 = 75,026.77/x
  3. Step 3: Cross multiply
    115,333.18x = 159,225.18 × 75,026.77
  4. Step 4: Simplify right side
    115,333.18x = 11,946,150,278.66
  5. Step 5: Solve for x
    x = 11,946,150,278.66/115,333.18
  6. Step 6: Final answer
    x = 103,579.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.